INSPECTION PROCEDURE P-16: The tailgate lock release handle signal is not received.

caution

Whenever the ECU is replaced, ensure that the input signal circuit is normal.

COMMENTS ON TROUBLE SYMPTOM

Input signal from the tailgate lock release handle is used to operate the central door locking function. If the signal is abnormal, the central door locking function will not work normally.

POSSIBLE CAUSES

Malfunction of the tailgate lock release handle
Malfunction of the ETACS-ECU
Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

Step 1. Connector check: G-06 tailgate lock release handle connector

Q. Is the check result normal?

Go to Step 2.

Repair the defective connector.

Step 2. Check the tailgate lock release handle.

Refer to GROUP 42 - Tailgate

Q. Is the check result normal?

	Go to Step 3

	Replace the tailgate lock release handle.

Step 3. Resistance measurement at the G-06 tailgate lock release handle connector

(1)Disconnect the connector, and measure at the wiring harness side.

(2)Resistance between G-06 tailgate lock release handle connector terminal No.2 and body earth
OK: 2 Ω or less

Q. Is the check result normal?

Go to Step 5.

Go to Step 4.

Step 4. Check the wiring harness between G-06 tailgate lock release handle connector terminal No.2 to body earth

note

Prior to the wiring harness inspection, check intermediate connector G-14, and repair if necessary.

Check the earth wires for open circuit.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction

Repair the wiring harness.

Step 5. Connector check: C-221 ETACS-ECU connector

Q. Is the check result normal?

Go to Step 6.

Repair the defective connector.

Step 6. Check the wiring harness from G-06 tailgate lock release handle connector terminal No.1 to C-221 ETACS-ECU connector terminal No.62.

note

Prior to the wiring harness inspection, check intermediate connector C-16, G-14 and repair if necessary.

Check the input line for open circuit.

Q. Is the check result normal?

Go to Step 7.

Repair the wiring harness.

Step 7. ETACS switch data by using the SWS monitor

Check the input signal from the Tailgate lock release handle.

Tailgate lock release handle: from OFF to ON

Item No.	Item name	Normal conditions
Item 30	GTE OPENER SW	OFF to ON (only when switch is operated)

OK: Normal condition is displayed.

Q. Is the check result normal?

	The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).

	Replace the ETACS-ECU.